#3929A4#3929A4

#3929A4 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 39.1% C 0.186 H 279.3°. Best body text is #FFFFFF at 10.36:1 contrast (WCAG AA passes).

Color values

HEX	#3929A4
RGB	rgb(57, 41, 164)
HSL	hsl(248, 60%, 40%)
HSV	hsv(248, 75%, 64%)
CMYK	cmyk(65.2%, 75%, 0%, 35.7%)
CIE-LAB	lab(27.12, 43.55, -63.47)
CIE-LCH	lch(27.12, 76.98, 304.45°)
OKLab	oklab(39.07% 0.03 -0.1832)
OKLCH	oklch(39.07% 0.186 279.3)
XYZ	xyz(9.1790, 5.1353, 35.6223)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3929A4 #94A429

analogous

#2956A4 #3929A4 #7729A4

triadic

#3929A4 #A43929 #29A439

tetradic

#3929A4 #A42956 #94A429 #29A477

square

#3929A4 #A42956 #94A429 #29A477

split-complementary

#3929A4 #A47729 #56A429

monochromatic

#171142 #281D73 #3929A4 #4F3CCE #7B6DDA

Accessibility & contrast

On white

10.36

#3929A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#3929A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3929A4

10.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3929A4	#FFFFFF	#000000	##FFFFFF
##3929A4	1.00	10.36	2.03	10.36
#FFFFFF	10.36	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0045A8

Deuteranopia (green-blind)

#003BA2

Tritanopia (blue-blind)

#004C64

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #3929a4;
/* rgb */ color: rgb(57, 41, 164);
/* oklch */ color: oklch(39.1% 0.186 279.3);

Tailwind

colors: {
  custom: {
    50: '#7e65c0',
    500: '#3929a4',
    950: '#000000',
  },
}

SCSS

$custom: #3929a4;
$custom-light: #7e65c0;
$custom-dark: #000000;

JSON

{
  "hex": "#3929a4",
  "rgb": {
    "r": 57,
    "g": 41,
    "b": 164
  },
  "hsl": {
    "h": 247.805,
    "s": 60,
    "l": 40.196
  },
  "oklch": {
    "l": 0.3907,
    "c": 0.18566,
    "h": 279.3
  },
  "luminance": 0.05136
}

Semantic roles & 50–950 ramp

primary

#3929A4

secondary

#B6C168

accent

#E345CF

background

#F8F6FC

surface

#EFEBF8

border

#CAC6D1

text

#0B0612

muted

#7C7A81

Preview Lab

Preview with #3929A4

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →